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Geographic Information Systems

See links for available TCEQ spatial data, maps, geographic data viewers, TCEQ GIS standards, and useful GIS links.
TCEQ Open Data Portal
Browse the GIS datasets maintained by the TCEQ that are available for download and use.
TCEQ Geographic Data Viewers
Links to Geographic Data Viewers providing easy access to spatial data via graphical interface.
Maps Created by TCEQ Staff
Links to maps created by TCEQ staff. All maps are available for download as PDF documents.
GIS Standards
Describes TCEQ's GIS standards.